Khan/khan-exercises — Issue #7616: Parallel lines 2 - Modules malfunction
Author: KhanBugz
Created: 2011-12-02 21:08:14+00:00
State: open
Labels: firefox, other, win7

Reporter: wayne2434@gmail.com

Parallel Lines 2 and Vertical Angles 2 modules do not work properly

[parallel_lines_2.html?seed=99&problem=2 (alternate_exterior_angles_2)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/parallel_lines_2.html?seed=99&problem=2&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/parallel_lines_2.html?seed=99&problem=2&debug&activity=undefined)

undefined

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0.1) Gecko/20100101 Firefox/8.0.1

MathJax is loaded, ready, queue length: 0